Thomas Harte
696ec12516
Add address rotation for applicable modes.
2023-01-21 22:33:26 -05:00
Thomas Harte
c9734df65c
Implement extended colour, sprite and RAM pointers.
2023-01-21 20:45:23 -05:00
Thomas Harte
13e490e7d7
Log selected screen mode.
2023-01-21 14:48:55 -05:00
Thomas Harte
cefcc1d443
Expand Yamaha graphics mode recognition.
2023-01-21 14:35:26 -05:00
Thomas Harte
d1f929e6f7
Just do a multiply and divide. Easy.
2023-01-21 14:19:52 -05:00
Thomas Harte
e289e6e757
Catch and map Yamaha palette entries.
...
It's one less thing in the uncaptured log.
2023-01-21 14:12:46 -05:00
Thomas Harte
a726c9d97a
Enable indirect register writes.
2023-01-20 23:14:57 -05:00
Thomas Harte
c77e7c268f
1 = disable, 0 = enable.
2023-01-20 23:08:41 -05:00
Thomas Harte
9c57bfd58d
Attempt to log dropped indirect writes.
2023-01-20 23:07:14 -05:00
Thomas Harte
4efda108c6
Transcribe the Yamaha 9938 register meanings.
2023-01-20 23:00:33 -05:00
Thomas Harte
191cf4829b
Attempt real blank reporting.
2023-01-20 22:29:49 -05:00
Thomas Harte
9b7a925816
Give clearer names to the two pointers.
2023-01-20 20:29:15 -05:00
Thomas Harte
392b0acb58
Pull everything out of master_system_ struct.
...
Now that it's inherently collected in the relevant `Storage`.
2023-01-19 15:09:16 -05:00
Thomas Harte
4b7606894e
Move Master System state, and start simplifying.
2023-01-19 14:09:31 -05:00
Thomas Harte
1fb94d15ab
No need for this-> ugliness in Base methods.
2023-01-19 12:32:42 -05:00
Thomas Harte
348c42bdea
Start trying to bluff my way through extended status.
2023-01-18 22:23:19 -05:00
Thomas Harte
e450e53c4e
Temporarily copy and paste my way to further logging.
2023-01-18 14:59:30 -05:00
Thomas Harte
355ee7fbc7
Adjust factoring of read and write per expanded V9938 scope.
2023-01-18 12:36:57 -05:00
Thomas Harte
4d96122884
Eliminate hard-coded assumption of 16kb.
...
Clearly I'll have to do something else to support 128k+, probably move the ram pointer?
2023-01-10 12:38:19 -05:00
Thomas Harte
f1f16d1f9a
Clarify and simplify half_cycles_before_internal_cycles.
2023-01-09 22:55:46 -05:00
Thomas Harte
fd14829992
Avoid hand-writing all the various conversions.
2023-01-09 22:34:56 -05:00
Thomas Harte
c0fe88a5bb
Apply clock conversion to existing usages of do_external_slot.
2023-01-09 13:54:49 -05:00
Thomas Harte
4d9d684618
Add TODO on dangling hard-coded conversion.
2023-01-08 21:44:25 -05:00
Thomas Harte
a0a835cf10
Export memory size into traits.
2023-01-08 21:37:20 -05:00
Thomas Harte
ef67205ce8
Set pixel count per mode.
2023-01-08 21:31:00 -05:00
Thomas Harte
794adf470b
Break assumption that cycles = pixels; fix pixel clocking.
2023-01-08 21:25:22 -05:00
Thomas Harte
8cc20844a9
Clock convert for draw_ calls.
2023-01-08 17:31:08 -05:00
Thomas Harte
b522d65c50
Fix border lengths.
2023-01-08 17:04:19 -05:00
Thomas Harte
cb19c2ffb0
Honour internal-clocked timing constants.
2023-01-08 14:10:06 -05:00
Thomas Harte
5f6ddf8557
Avoid expressing the same thing at different clock rates.
2023-01-08 13:58:12 -05:00
Thomas Harte
72e0bfecc1
Edge towards clock-independent line composition.
2023-01-07 14:57:32 -05:00
Thomas Harte
cdf547ac82
Decline to provide synthetic text mode timing on the Mega Drive.
2023-01-07 14:37:06 -05:00
Thomas Harte
dd5b4b484a
Avoid double responsibility for state.
2023-01-07 14:34:33 -05:00
Thomas Harte
56831e02fc
Expand fixed timing constants.
2023-01-07 13:10:51 -05:00
Thomas Harte
5d2d3944ef
Make VRAM access delay a timing property.
2023-01-07 12:48:43 -05:00
Thomas Harte
f9e21df701
Avoid further hard-coded 342s.
2023-01-07 09:13:34 -05:00
Thomas Harte
bb436204f6
Merge branch 'VDPs' of github.com:TomHarte/CLK into VDPs
2023-01-07 09:10:50 -05:00
Thomas Harte
de45536b5c
Elucidate a magic constant, add an extra constexpr.
2023-01-07 09:10:41 -05:00
Thomas Harte
ebc1264c2c
Create a common home for timing information.
2023-01-06 22:39:46 -05:00
Thomas Harte
4875148617
Fill in Mega Drive numbers.
2023-01-05 14:22:51 -05:00
Thomas Harte
7a82b76911
Ensure visibility of memset.
2023-01-05 13:21:03 -05:00
Thomas Harte
27d37f71ec
Generalise and better factor bit reversal and TMS drawing.
2023-01-05 13:18:10 -05:00
Thomas Harte
c4a5a9763e
Minor indentation improvement.
2023-01-02 15:04:50 -05:00
Thomas Harte
a9f97ac871
Fix nothing-to-do test.
2023-01-02 15:04:08 -05:00
Thomas Harte
475440dc70
Update ClockConverter for potential alternative clocks.
2023-01-02 14:59:36 -05:00
Thomas Harte
dc3f8f5e42
These are the three fetchers to implement.
...
They'll look fairly different from the TMS and SMS fetchers, I think, owing to the greater irregularity that comes with the smarter RAM accesses. I might need to play around for a while.
2023-01-01 22:44:06 -05:00
Thomas Harte
459ef39b08
constexpr the TMS palette.
2023-01-01 22:34:07 -05:00
Thomas Harte
27812fd0e2
Separate fetchers into their own header.
2023-01-01 22:26:50 -05:00
Thomas Harte
38eb4d36de
Better explain cumulative nature of @c to_internal.
2023-01-01 22:18:39 -05:00
Thomas Harte
2bd20a0cf8
Add further exposition.
2023-01-01 22:17:21 -05:00
Thomas Harte
da61909ec5
Explain the purpose here.
2023-01-01 21:20:30 -05:00
Thomas Harte
5729ece7bb
Incompletely transitions towards more flexible clock ratios.
2023-01-01 14:20:45 -05:00
Thomas Harte
151f60958e
Relocate the 9918 implementation file.
2023-01-01 14:01:19 -05:00
Thomas Harte
180045ada6
Convert vram_access_delay into a free-standing function.
2023-01-01 13:51:52 -05:00
Thomas Harte
11542e7a7f
Improve const correctness, simplify inheritance.
2023-01-01 13:49:11 -05:00
Thomas Harte
71598250ea
Improve commentary.
2023-01-01 13:41:51 -05:00
Thomas Harte
ffb0b2ce0b
Eliminate runtime duplication of personality.
2022-12-31 21:50:57 -05:00
Thomas Harte
b7c315058f
Also template Base.
2022-12-31 21:47:05 -05:00
Thomas Harte
7d6eac2895
Template the TMS on its personality.
...
Template parameter currently unused, but preparatory to other improvements.
2022-12-31 15:08:33 -05:00
Thomas Harte
d79aac3081
Shuffle the personality enum into the 'public' header.
2022-12-31 15:01:11 -05:00
Thomas Harte
8d5547dc9e
Minor further style improvements.
...
... as I refamiliarise myself.
2022-12-29 22:09:14 -05:00
Thomas Harte
5d89293c92
Improve constness, primarily of reverse_table.
2022-12-29 11:29:19 -05:00
Thomas Harte
711f7b2d75
C++17 makes this a single step.
2022-12-27 22:50:12 -05:00
Thomas Harte
dca8c51384
Prefer to avoid a macro.
2022-12-27 22:36:27 -05:00
Thomas Harte
462b7dcbfa
Add Mega Drive VRAM size.
2022-12-27 22:28:43 -05:00
Thomas Harte
2ab4b351ca
Extend enum.
2022-12-27 22:20:47 -05:00
Thomas Harte
99ced5476f
Add quick clock-rate notes.
2022-12-26 22:56:45 -05:00
Thomas Harte
1d5144b912
Correct no-interrupt signal.
2021-06-04 22:38:07 -04:00
Thomas Harte
1266bbb224
Makes the TMS a sequence-point-generating JustInTimeActor.
2021-04-05 21:02:37 -04:00
Thomas Harte
650b9a139b
Tweak Master System blue scale.
2021-03-19 08:38:21 -04:00
Thomas Harte
a17d0e428f
Protects against some further uninitialised values.
2020-09-16 18:15:57 -04:00
Thomas Harte
3cb1072c29
Adds an explicit [[fallthrough]] tag.
2020-06-19 23:10:25 -04:00
Thomas Harte
267006782f
Starts to add Qt target; resolves many build warnings.
2020-05-30 00:37:06 -04:00
Thomas Harte
512a52e88d
Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style.
2020-05-20 23:34:26 -04:00
Thomas Harte
66c2eb0414
Further tightens const and constexpr usage.
2020-05-12 22:22:21 -04:00
Thomas Harte
25996ce180
Further doubles down on construction syntax for type conversions.
2020-05-09 23:00:39 -04:00
Thomas Harte
a7e1920597
Restores ColecoVision runtime options.
2020-03-18 00:06:52 -04:00
Thomas Harte
9d97a294a7
Corrects the TMS' get_scaled_scan_status.
...
I think all platforms are now returning credible numbers.
2020-01-22 19:34:10 -05:00
Thomas Harte
a71c5946f0
Ensures proper manipulation of scan_statuses, leading to the correct result out of a CRTMachine.
...
Possibly with the exception of the TMS, as I appear to have uncovered an unrelated issue there.
2020-01-21 22:28:25 -05:00
Thomas Harte
d97a073d1b
Adds the necessary routine for all machines to be able to respond to get_scan_status.
...
They all just as the CRT, as all are currently based on the CRT. Which doesn't currently know the total clock rate it would need to in order properly to scale the answer to the question. Further thought coming.
2020-01-20 21:45:10 -05:00
Thomas Harte
c1bae49a92
Standardises on read and write for bus accesses.
...
Logic being: name these things for the bus action they model, not the effect they have.
2020-01-05 13:40:02 -05:00
Thomas Harte
274867579b
Deploys constexpr as a stricter const.
2019-12-22 00:22:17 -05:00
Thomas Harte
a847654ef2
Corrects various old-fashioned bits of indentation, plus the odd const.
2019-12-22 00:00:23 -05:00
Thomas Harte
1c154131f9
Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate.
2019-10-29 22:36:29 -04:00
Thomas Harte
929475d31e
Minor correction: round down, not up.
2019-09-28 23:49:32 -04:00
Thomas Harte
d97348dd38
Eliminates dangling uses of printf.
2019-03-02 18:07:05 -05:00
Thomas Harte
601961deeb
Wires through set_display_type.
2018-11-29 20:44:21 -08:00
Thomas Harte
64465f97b6
Starts towards reintroducing the proper mechanisms for selecting a display type at runtime.
2018-11-28 17:53:33 -08:00
Thomas Harte
5618288459
Reduces visible area, producing a tighter crop.
2018-11-25 22:32:12 -05:00
Thomas Harte
ee89be6730
Removes many stray spaces.
2018-11-23 22:32:32 -05:00
Thomas Harte
770d7e90e9
Removes stale sampling functions.
2018-11-22 22:47:29 -05:00
Thomas Harte
c5d9bf2c12
Optimises slightly for black borders.
...
Specifically to help to debug proper display of unused lines in the new scan target.
2018-11-17 18:23:42 -05:00
Thomas Harte
15b1176841
Ensures no border output if space is not allocated.
2018-11-14 22:32:33 -05:00
Thomas Harte
9dff13cbbf
Re-establishes output from the machines with 9918s and derivatives.
2018-11-14 22:25:19 -05:00
Thomas Harte
6d277fecd5
Makes ScanTarget a little more communicative and orthogonal.
2018-11-10 19:52:57 -05:00
Thomas Harte
f6562de325
Possibly adds enough for the Electron and ZX80 to start outputting dummy lines.
...
Let's see!
2018-11-03 23:40:39 -04:00
Thomas Harte
b40211d2c0
Starts to bend 'CRTMachine' to a world farther from owning the GPU relationship.
2018-11-03 21:54:25 -04:00
Thomas Harte
da4d883321
Adds first, incomplete attempts to talk to a ScanTarget from the CRT.
...
Does away with the hassle of `unsigned` while I'm here; that was a schoolboy error.
2018-11-03 19:58:44 -04:00
Thomas Harte
f65d80b7d1
Ensures offset and flags are initialised to 0.
...
This prevents a potential crash at startup.
2018-10-29 22:09:32 -04:00
Thomas Harte
8652d8b23d
(Mostly) randomises the 9918 start position.
2018-10-26 21:02:56 -04:00
